The development of basements under existing housing is a matter of considerable concern to many residents. The results of this questionnaire will provide vital information in addressing these issues. Please answer the following questions. A separate questionnaire should be used for each property that is being commented on. You can also complete the questionnaire online via the following link: www.rbkc.gov.uk/basements-r-associations. Please note: any analysis carried out and published by the Council using this information will make no reference to individual properties or streets, and the questionnaire responses themselves will remain confidential.

Property details

Q1	Address of property which is the subject of the basement extension.

Q2	Name (optional) and address (not optional) of the person filling in this questionnaire.

Q3	Proximity to the basement extension (e.g. next door, next door but one, directly across the street etc).

Nature of basement extension

Q4	Was the basement extension...(please tick all that apply)
		...beneath the house?
		...beneath the front garden?
		...beneath the rear garden?

Q5	Was the basement more than one storey deep?
		Yes
		No
		Not sure

Q6	Has the development been completed?
		Yes
		No

If so, when?

Q7	How long did the development take, or of the construction is on-going, how long has it been to date?

Visual impact of the finished basement (if completed)

Q8	Has the basement had any particular impact on the appearance of the application property?
		Yes
		No

If yes, please provide specific details?

Q9	Has the basement had any particular impact on the appearance of the application garden?
		Yes
		No

If yes, please provide specific details?

Impact of the basement on neighbouring property

Q10	If you are a close neighbour, what, if any impact did the development have on your property (including the garden if relevant)? Please provide specific details.

Q11	If you are a close neighbour, did you enter into a Party Wall Agreement to protect your property?
		Yes
		No

Q12	Were you happy with the outcomes of the Party Wall Agreement?
		Yes
		No

If no, please provide specific details.

Impact of construction on living conditions (amenity)

Q13	Was the construction traffic well managed?
		Yes
		No

Please provide specific details.

Q14	Was the construction noise acceptable to you?
		Yes
		No

Please provide specific details.

Q15	Were any vibrations acceptable to you?
		Yes
		No

Please provide specific details.

Q16	Was any dust from the site kept to acceptable limits?
		Yes
		No

Please provide specific details.

Q17	Did you have issues with vermin?
		Yes
		No

Please provide specific details.

Q18	Have you noticed any change to drainage during construction?
		Yes
		No

Please provide specific details.

Impact of construction, or the finished basement, on drainage, flooding and damp

Q19	Have you noticed any change to drainage following completion of the basement?
		Yes
		No

Please provide specific details.

Q20	Have you noticed any change to flooding during construction?
		Yes
		No

Please provide specific details.

Q21	Have you noticed any change to flooding following completion of the basement?
		Yes
		No

Please provide specific details.

Q22	Have you noticed any change to damp during construction?
		Yes
		No

Please provide specific details.

Q23	Have you noticed any change to damp following completion of the basement?
		Yes
		No

Please provide specific details.

Any other matters

Q24	Do you have any other specific comments with regard to this basement development?

Thank you for completing this survey, please click on submit to send your response.